| Product name |
Industrial resistance meter |
| Model |
HE-480R |
| Measurement method |
Electrode type (2-electrode method) |
| Cell constant |
0.01/cm |
Temperature sensor
specifications |
Platinum resistance 1000Ω/0°C |
| Measuring range |
Measurement unit |
kΩ·m |
0 to 2.00 |
0 to 20.0 |
0 to 200.0 |
0 to 1000 * |
| MΩ·cm |
0 to 0.200 |
0 to 2.00 |
0 to 20.00 |
0 to 100.0 * |
| *: Measurable without temperature compensation |
| Temperature: 0°C to 100°C (Select your desired decimal point from 0, 1, and 2 digits.) |
| Repeatability Within |
±0.5% of the full scale (in equivalent input) |
| Linearity Within |
±0.5% of the full scale (in equivalent input) |
Transmission
output |
4 mA to 20 mA DC: input/output isolated type
Maximum load resistance: 900Ω
Transmission output range: Freely selectable within the measurement range |
| Contact output |
Outputs: 2 points
Alarm contact output (R1 and R2)
Contact type: relay contact, SPDT (1c)
Contact rating: 240 V AC, 3 A and 30 V DC, 3 A (resistance load)
Contact function: selectable from upper/lower limit operation (ON/OFF control), alarm, and maintenance. |
| Calibration function |
Specific resistance
Temperature |
Transmission
output hold feature |
· Previous value hold
· Optional value hold
· Continuous
Selectable from the above (However, only the previous value hold is available in the maintenance Mode.) |
Self-diagnosis
function |
· Sensor diagnosis
· Out of the measurement range
· A/D converter scale over
· Converter error |
Temperature
compensation |
· Based on the temperature characteristics of extra deionized water (reference temperature:25°C)
· Based on the reference temperature and user-defined temperature coefficient (reference temperature: 5°C to 95°C)
· No temperature compensation |
| Temperature - compensated range |
0°C to 100°C |
| Extra deionized water specific resistance selection |
Measurement unit |
kΩ·m |
182.3 (standard), 181.8, 182.4 |
Select from options shown on the left. |
| MΩ·cm |
18.23 (standard), 18.18, 18.24 |
| Clipping function |
When the measured value is above the upper limit of the measurement range derived from the specified specific resistance, the specified resistance is used as the measured value. |
| Power supply |
Rated voltage 100 V to 240 V AC, 50/60 Hz, 10 VA (max.) |
| Structure |
Indoor-use panel installation type
Panel: IP65 dust and water proof structure |
| Protective structure |
Panel: IP65 (IEC60529, JIS C0920) |
| Conforming standards |
CE Marking
FCC Rule |
External
dimensions |
48(W) mm x 96 (H) mm x 115 (D) mm
Case depth: approx. 105 mm (when panel-mounted) |
| Mass |
Approx. 400 g |
Compatible
sensors |
ERF-series specific resistance sensor, cell constant 1.0/m (0.01/cm) |
